1144322001 has 12 divisors (see below), whose sum is σ = 1662044020. Its totient is φ = 758665440.

The previous prime is 1144321999. The next prime is 1144322017. The reversal of 1144322001 is 1002234411.

1144322001 is a `hidden beast` number, since 1 + 1 + 443 + 220 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 611820225 + 532501776 = 24735^2 + 23076^2 .

It is not a de Polignac number, because 1144322001 - 2¹ = 1144321999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144323001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349606 + ... + 352863.

Almost surely, 2^1144322001 is an apocalyptic number.

It is an amenable number.

1144322001 is a deficient number, since it is larger than the sum of its proper divisors (517722019).

1144322001 is a wasteful number, since it uses less digits than its factorization.

1144322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702656 (or 702653 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1144322001 is about 33827.8287952390. The cubic root of 1144322001 is about 1045.9624234143.

Adding to 1144322001 its reverse (1002234411), we get a palindrome (2146556412).

The spelling of 1144322001 in words is "one billion, one hundred forty-four million, three hundred twenty-two thousand, one".